20247718400

素因数分解:

$2^9\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17383}}^1$

素因数の和:17431

約数の個数: 240

約数和(自身を含む): 61745464704

約数和(自身を除く): 41497746304

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 25, 26, 28, 32, 35, 40, 50, 52, 56, 64, 65, 70, 80, 91, 100, 104, 112, 128, 130, 140, 160, 175, 182, 200, 208, 224, 256, 260, 280, 320, 325, 350, 364, 400, 416, 448, 455, 512, 520, 560, 640, 650, 700, 728, 800, 832, 896, 910, 1040, 1120, 1280, 1300, 1400, 1456, 1600, 1664, 1792, 1820, 2080, 2240, 2275, 2560, 2600, 2800, 2912, 3200, 3328, 3584, 3640, 4160, 4480, 4550, 5200, 5600, 5824, 6400, 6656, 7280, 8320, 8960, 9100, 10400, 11200, 11648, 12800, 14560, 16640, 17383, 17920, 18200, 20800, 22400, 23296, 29120, 33280, 34766, 36400, 41600, 44800, 46592, 58240, 69532, 72800, 83200, 86915, 89600, 116480, 121681, 139064, 145600, 166400, 173830, 225979, 232960, 243362, 278128, 291200, 347660, 434575, 451958, 486724, 556256, 582400, 608405, 695320, 869150, 903916, 973448, 1112512, 1129895, 1164800, 1216810, 1390640, 1581853, 1738300, 1807832, 1946896, 2225024, 2259790, 2433620, 2781280, 3042025, 3163706, 3476600, 3615664, 3893792, 4450048, 4519580, 4867240, 5562560, 5649475, 6084050, 6327412, 6953200, 7231328, 7787584, 7909265, 8900096, 9039160, 9734480, 11125120, 11298950, 12168100, 12654824, 13906400, 14462656, 15575168, 15818530, 18078320, 19468960, 22250240, 22597900, 24336200, 25309648, 27812800, 28925312, 31150336, 31637060, 36156640, 38937920, 39546325, 44500480, 45195800, 48672400, 50619296, 55625600, 57850624, 62300672, 63274120, 72313280, 77875840, 79092650, 90391600, 97344800, 101238592, 111251200, 115701248, 126548240, 144626560, 155751680, 158185300, 180783200, 194689600, 202477184, 222502400, 253096480, 289253120, 311503360, 316370600, 361566400, 389379200, 404954368, 506192960, 578506240, 632741200, 723132800, 778758400, 809908736, 1012385920, 1265482400, 1446265600, 1557516800, 2024771840, 2530964800, 2892531200, 4049543680, 5061929600, 10123859200, 20247718400]

約数ペア:

[(1, 20247718400), (2, 10123859200), (4, 5061929600), (5, 4049543680), (7, 2892531200), (8, 2530964800), (10, 2024771840), (13, 1557516800), (14, 1446265600), (16, 1265482400), (20, 1012385920), (25, 809908736), (26, 778758400), (28, 723132800), (32, 632741200), (35, 578506240), (40, 506192960), (50, 404954368), (52, 389379200), (56, 361566400), (64, 316370600), (65, 311503360), (70, 289253120), (80, 253096480), (91, 222502400), (100, 202477184), (104, 194689600), (112, 180783200), (128, 158185300), (130, 155751680), (140, 144626560), (160, 126548240), (175, 115701248), (182, 111251200), (200, 101238592), (208, 97344800), (224, 90391600), (256, 79092650), (260, 77875840), (280, 72313280), (320, 63274120), (325, 62300672), (350, 57850624), (364, 55625600), (400, 50619296), (416, 48672400), (448, 45195800), (455, 44500480), (512, 39546325), (520, 38937920), (560, 36156640), (640, 31637060), (650, 31150336), (700, 28925312), (728, 27812800), (800, 25309648), (832, 24336200), (896, 22597900), (910, 22250240), (1040, 19468960), (1120, 18078320), (1280, 15818530), (1300, 15575168), (1400, 14462656), (1456, 13906400), (1600, 12654824), (1664, 12168100), (1792, 11298950), (1820, 11125120), (2080, 9734480), (2240, 9039160), (2275, 8900096), (2560, 7909265), (2600, 7787584), (2800, 7231328), (2912, 6953200), (3200, 6327412), (3328, 6084050), (3584, 5649475), (3640, 5562560), (4160, 4867240), (4480, 4519580), (4550, 4450048), (5200, 3893792), (5600, 3615664), (5824, 3476600), (6400, 3163706), (6656, 3042025), (7280, 2781280), (8320, 2433620), (8960, 2259790), (9100, 2225024), (10400, 1946896), (11200, 1807832), (11648, 1738300), (12800, 1581853), (14560, 1390640), (16640, 1216810), (17383, 1164800), (17920, 1129895), (18200, 1112512), (20800, 973448), (22400, 903916), (23296, 869150), (29120, 695320), (33280, 608405), (34766, 582400), (36400, 556256), (41600, 486724), (44800, 451958), (46592, 434575), (58240, 347660), (69532, 291200), (72800, 278128), (83200, 243362), (86915, 232960), (89600, 225979), (116480, 173830), (121681, 166400), (139064, 145600)]